//メインメニュープリロード
function preSwap(){
	Mimg01 = new Image();
	Mimg01.src =  "/photo/img/common/go_top_b2.gif";
	Mimg02 = new Image();
	Mimg02.src =  "/photo/img/common/home_b2.gif";
	Mimg03 = new Image();
	Mimg03.src =  "/di/img/business_menu/ctp_b2.gif";
	Mimg04 = new Image();
	Mimg04.src =  "/di/img/business_menu/photo_p_b2.gif";
	Mimg05 = new Image();
	Mimg05.src =  "/di/img/business_menu/dialibre_b2.gif";
	Mimg06 = new Image();
	Mimg06.src =  "/di/img/business_menu/proof_b2.gif";
	Mimg07 = new Image();
	Mimg07.src =  "/di/img/business_menu/facilis_b2.gif";
	Mimg08 = new Image();
	Mimg08.src =  "/di/img/business_menu/sign_b2.gif";
	Mimg09 = new Image();
	Mimg09.src =  "/di/img/business_menu/etc_ga_b2.gif";
	Mimg10 = new Image();
	Mimg10.src =  "/di/img/business_menu/newsctp_b2.gif";


	Mimg11 = new Image();
	Mimg11.src =  "/di/img/sub_menu/event_b2.gif";
	Mimg12 = new Image();
	Mimg12.src =  "/di/img/sub_menu/support_b2.gif";
	Mimg13 = new Image();
	Mimg13.src =  "/di/img/sub_menu/contact_b2.gif";

	Mimg14 = new Image();
	Mimg14.src =  "/photo/img/sub_menu/multi_ten_b2.gif";
	Mimg15 = new Image();
	Mimg15.src =  "/photo/img/sub_menu/mg_1000_b2.gif";
	Mimg16 = new Image();
	Mimg16.src =  "/photo/img/sub_menu/paper_medicine_b2.gif";
	Mimg17 = new Image();
	Mimg17.src =  "/photo/img/sub_menu/film_medicine_b2.gif";
	Mimg18 = new Image();
	Mimg18.src =  "/photo/img/sub_menu/mono_paper_b2.gif";
	Mimg19 = new Image();
	Mimg19.src =  "/photo/img/common/price_b2.gif";
	
	}
	
	
	
//ロールオーバー
function overSwap(Nid,IMG){
		Nid.src= IMG;
	}
function outSwap(Nid,IMG){
		Nid.src= IMG;

	}